knowledge about breast cancer

tomorrow

copied from the magazine of "SELF"
1. Your lifetime risk for breast cancer is 1 in 8

2. The most important thing a woman can do to reduce her risk of dying from breast cancer is to get recommended mamograms

3. The American Cancer Society and the National Cancer Institute recommend annual mamograms starting at age 40.

4. The best time to do a breast self exam is seven days after your period begins. That's when your hormone levels are at their lowest and your breasts are likely to be least lumpy.

5. Physical activity can lower the risk of breast cancer, propably by reducing estrogen levels.
6. Consuming alcohol may raise your risk for developing breast cancer.
7. Being overweight may raise your risk for cancer.
8. There are at least 5 biologically distinct types of breast cancer, some are hormonally driven, some are fueled by certain protein, and others are neither hormone- nor protein- driven